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Simplifying 2p2 + 8 = 4p + 11 Reorder the terms: 8 + 2p2 = 4p + 11 Reorder the terms: 8 + 2p2 = 11 + 4p Solving 8 + 2p2 = 11 + 4p Solving for variable 'p'. Reorder the terms: 8 + -11 + -4p + 2p2 = 11 + 4p + -11 + -4p Combine like terms: 8 + -11 = -3 -3 + -4p + 2p2 = 11 + 4p + -11 + -4p Reorder the terms: -3 + -4p + 2p2 = 11 + -11 + 4p + -4p Combine like terms: 11 + -11 = 0 -3 + -4p + 2p2 = 0 + 4p + -4p -3 + -4p + 2p2 = 4p + -4p Combine like terms: 4p + -4p = 0 -3 + -4p + 2p2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -1.5 + -2p + p2 = 0 Move the constant term to the right: Add '1.5' to each side of the equation. -1.5 + -2p + 1.5 + p2 = 0 + 1.5 Reorder the terms: -1.5 + 1.5 + -2p + p2 = 0 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + -2p + p2 = 0 + 1.5 -2p + p2 = 0 + 1.5 Combine like terms: 0 + 1.5 = 1.5 -2p + p2 = 1.5 The p term is -2p. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2p + 1 + p2 = 1.5 + 1 Reorder the terms: 1 + -2p + p2 = 1.5 + 1 Combine like terms: 1.5 + 1 = 2.5 1 + -2p + p2 = 2.5 Factor a perfect square on the left side: (p + -1)(p + -1) = 2.5 Calculate the square root of the right side: 1.58113883 Break this problem into two subproblems by setting (p + -1) equal to 1.58113883 and -1.58113883.Subproblem 1
p + -1 = 1.58113883 Simplifying p + -1 = 1.58113883 Reorder the terms: -1 + p = 1.58113883 Solving -1 + p = 1.58113883 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + p = 1.58113883 + 1 Combine like terms: -1 + 1 = 0 0 + p = 1.58113883 + 1 p = 1.58113883 + 1 Combine like terms: 1.58113883 + 1 = 2.58113883 p = 2.58113883 Simplifying p = 2.58113883Subproblem 2
p + -1 = -1.58113883 Simplifying p + -1 = -1.58113883 Reorder the terms: -1 + p = -1.58113883 Solving -1 + p = -1.58113883 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + p = -1.58113883 + 1 Combine like terms: -1 + 1 = 0 0 + p = -1.58113883 + 1 p = -1.58113883 + 1 Combine like terms: -1.58113883 + 1 = -0.58113883 p = -0.58113883 Simplifying p = -0.58113883Solution
The solution to the problem is based on the solutions from the subproblems. p = {2.58113883, -0.58113883}
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